/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.drools.workbench.screens.guided.dtable.client.handlers;

import javax.enterprise.context.ApplicationScoped;
import javax.inject.Inject;

import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.IsWidget;
import org.drools.workbench.screens.guided.dtable.client.resources.GuidedDecisionTableResources;
import org.drools.workbench.screens.guided.dtable.client.resources.i18n.GuidedDecisionTableConstants;
import org.drools.workbench.screens.guided.dtable.client.type.GuidedDTableGraphResourceType;
import org.drools.workbench.screens.guided.dtable.model.GuidedDecisionTableEditorGraphModel;
import org.drools.workbench.screens.guided.dtable.service.GuidedDecisionTableGraphEditorService;
import org.guvnor.common.services.project.model.Package;
import org.jboss.errai.common.client.api.Caller;
import org.jboss.errai.common.client.api.RemoteCallback;
import org.kie.workbench.common.widgets.client.handlers.DefaultNewResourceHandler;
import org.kie.workbench.common.widgets.client.handlers.NewResourcePresenter;
import org.kie.workbench.common.widgets.client.handlers.NewResourceSuccessEvent;
import org.kie.workbench.common.widgets.client.resources.i18n.CommonConstants;
import org.uberfire.backend.vfs.Path;
import org.uberfire.client.mvp.PlaceManager;
import org.uberfire.ext.widgets.common.client.callbacks.HasBusyIndicatorDefaultErrorCallback;
import org.uberfire.ext.widgets.common.client.common.BusyIndicatorView;
import org.uberfire.workbench.type.ResourceTypeDefinition;

/**
 * Handler for the creation of new Guided Decision Table Graphs
 */
@ApplicationScoped
public class NewGuidedDecisionTableGraphHandler extends DefaultNewResourceHandler {

    //Injected
    private PlaceManager placeManager;
    private Caller<GuidedDecisionTableGraphEditorService> graphService;
    private GuidedDTableGraphResourceType resourceType;
    private BusyIndicatorView busyIndicatorView;

    public NewGuidedDecisionTableGraphHandler() {
        //Zero parameter constructor for CDI proxies
    }

    @Inject
    public NewGuidedDecisionTableGraphHandler( final PlaceManager placeManager,
                                               final Caller<GuidedDecisionTableGraphEditorService> graphService,
                                               final GuidedDTableGraphResourceType resourceType,
                                               final BusyIndicatorView busyIndicatorView ) {
        this.placeManager = placeManager;
        this.graphService = graphService;
        this.resourceType = resourceType;
        this.busyIndicatorView = busyIndicatorView;
    }

    @Override
    public String getDescription() {
        return GuidedDecisionTableConstants.INSTANCE.NewGuidedDecisionTableGraphDescription();
    }

    @Override
    public IsWidget getIcon() {
        return new Image( GuidedDecisionTableResources.INSTANCE.images().typeGuidedDecisionTable() );
    }

    @Override
    public ResourceTypeDefinition getResourceType() {
        return resourceType;
    }

    @Override
    public void create( final Package pkg,
                        final String baseFileName,
                        final NewResourcePresenter presenter ) {
        busyIndicatorView.showBusyIndicator( CommonConstants.INSTANCE.Saving() );
        graphService.call( getSuccessCallback( presenter ),
                           new HasBusyIndicatorDefaultErrorCallback( busyIndicatorView ) ).create( pkg.getPackageMainResourcesPath(),
                                                                                                   buildFileName( baseFileName,
                                                                                                                  resourceType ),
                                                                                                   new GuidedDecisionTableEditorGraphModel(),
                                                                                                   "" );
    }

    @Override
    protected RemoteCallback<Path> getSuccessCallback( final NewResourcePresenter presenter ) {
        return ( path )-> {
            busyIndicatorView.hideBusyIndicator();
            presenter.complete();
            notifySuccess();
            newResourceSuccessEvent.fire( new NewResourceSuccessEvent( path ) );
            placeManager.goTo( path );
        };
    }

}
